WO2021028569A1 - Organe d'usinage interchangeable - Google Patents

Organe d'usinage interchangeable Download PDF

Info

Publication number
WO2021028569A1
WO2021028569A1 PCT/EP2020/072863 EP2020072863W WO2021028569A1 WO 2021028569 A1 WO2021028569 A1 WO 2021028569A1 EP 2020072863 W EP2020072863 W EP 2020072863W WO 2021028569 A1 WO2021028569 A1 WO 2021028569A1
Authority
WO
WIPO (PCT)
Prior art keywords
processing unit
machining
drive
interchangeable
energy
Prior art date
Application number
PCT/EP2020/072863
Other languages
German (de)
English (en)
Inventor
Rainer Schlotter
Martin Calmbach
Martin Gringel
Original Assignee
Homag Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Homag Gmbh filed Critical Homag Gmbh
Priority to EP20760400.0A priority Critical patent/EP4013583A1/fr
Priority to US17/635,357 priority patent/US20220288806A1/en
Priority to CN202080066306.0A priority patent/CN114430709A/zh
Publication of WO2021028569A1 publication Critical patent/WO2021028569A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/003—Other working of veneer or plywood specially adapted to veneer or plywood securing a veneer strip to a panel edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G11/00—Applying adhesives or glue to surfaces of wood to be joined

Definitions

  • the present invention relates to an interchangeable machining unit for a machining center for machining plate-shaped workpieces, which are preferably at least partially made of wood, wood-based materials, plastic, or the like.
  • Machining units which can be exchanged in the drive spindle, preferably the main spindle, particularly preferably the milling spindle, of a machining center are known, for example, from DE 10039 413 A1 and DE 10229 775 CI.
  • a corresponding machining unit can be manually or automatically exchanged from a storage device into the spindle unit of the machining center.
  • Machining centers for machining plate-shaped workpieces in particular made of wood or wood-based materials, often have a machining unit, for example a gluing unit for gluing an edge material to a narrow surface of the workpiece.
  • a machining unit for example a gluing unit for gluing an edge material to a narrow surface of the workpiece.
  • machining for example a narrow surface or an edge of the workpiece, can be combined with gluing the edge material, so that a new clamping of the workpiece in a separate edge banding machine is not necessary.
  • Various techniques are used for the gluing units, for example glue is applied to a narrow workpiece surface by means of rollers and then applied Edge material is placed on the narrow workpiece surface and then pressed against the narrow workpiece surface, for example using pressure rollers.
  • a subsequent hardening of the glue enables a tight fit of the edge material.
  • Other gluing units work with a laser to irradiate and soften a coating already provided on the edge material used in order to achieve a connection between the edge material and the narrow workpiece surface by subsequently pressing the edge material against the workpiece. Machining centers with a gluing unit are known, for example, from DE 102005 018 885 B3 and EP 0728 561 A1.
  • the processing units mentioned have in common that for the coating process to soften or activate the coating material or an adhesive layer on the coating material, energy has to be introduced into the edge material or the adhesive layer.
  • the liquid adhesives or glues used for gluing edge material are also usually applied in a heated state and harden after application.
  • the processing units therefore have an electrical interface or cable connection in order to supply the energy required for heating the coating material as electrical energy to the processing unit.
  • a purely mechanical connection of a processing unit has thus far not been sufficient to operate a processing unit on the processing center.
  • a simple change to different processing units with connected sensors or the like is also not possible.
  • An electrical interface or cable connection must also be provided. This makes the flexible use of the processing units mentioned on different processing centers difficult due to the interface requirements.
  • the flexible use of processing units is therefore only insufficient with the processing units of the prior art.
  • an interchangeable processing unit in particular a processing unit for a processing center for processing workpieces, which are preferably at least partially made of wood, wood-based materials, plastic or the like, which is particularly flexible for use in a wide variety of processing centers can come and that can be used in general and at different machining centers via a central connection option.
  • the invention was based in particular on the knowledge that the limitation of usability is due to the fact that the processing unit has a generator that drives the drive, but that this drive is controlled on the unit side via the main spindle, which in principle does not require adequate control or regulation of the drive. Using this knowledge, a replaceable according to the invention sees
  • An interchangeable processing unit for a processing center for processing workpieces, which are preferably at least partially made of wood, wood-based materials, plastic or the like, has a generator for generating energy, selected from the group of electrical, hydraulic, pneumatic, thermal energy, and Radiation and vibration energy, in particular from mechanical rotational energy of a drive spindle, in particular a milling spindle, of the machining center and a drive that can be supplied with energy by means of the generator.
  • the generator has a torque interface, in particular a releasable one, for transmitting a torque from the outside to the machining unit.
  • the torque interface can be designed, for example, as an HSK mount on the replaceable processing unit, in particular on the generator of the replaceable processing unit.
  • the generator is set up to be driven by means of the torque and the drive is driven using the energy of the generator.
  • generator in the sense of this application means an energy converter in general. This is used to generate a different form of energy from mechanical energy, for example the rotary movement of the main spindle. Examples in this context have already been made of electrical, hydraulic, pneumatic, thermal energy and radiation - and vibration energy listed.
  • said drive is an energy-consuming drive.
  • it can be through the consumption of energy machining takes place on a workpiece; however, the other types of processing already mentioned are also conceivable.
  • a cylinder, a heating element, an actuator (as described in more detail below), a milling cutter, in particular a milling head, and / or a button can be driven by the generator.
  • an electric motor is driven as a drive by the generator, wherein the electric motor in turn can be designed to drive high-performance milling heads.
  • Such electric motors, which drive high-performance milling heads, for example, can achieve up to 60,000 rpm.
  • the above-described main spindles of the machining center into which the machining unit can be exchanged require, for example, a speed of over 18,000 rpm, preferably over 20,000 rpm, particularly preferably over 24,000 rpm and even more preferably over 30,000 rpm Operating condition.
  • energy is to be interpreted in the sense of “information”, which, purely by way of example, can be mechanical, electrical, hydraulic, pneumatic, thermal energy as well as radiation and vibration energy.
  • the generator is set up to be driven by means of the torque.
  • the energy or information that is used to heat the coating material is thus supplied to the processing unit as mechanical energy, for example.
  • a torque is transmitted to the processing unit, which drives a generator.
  • the term “energy” is not restricted to the energy forms mentioned. It is crucial that the generator is addressed.
  • the processing unit has no cable connection to the machine.
  • the generator in turn generates electrical energy that is used, a drive, for example for heating coating material, and / or for driving a milling head, and / or for operating an electrical one
  • the drive thus converts the electrical energy generated by the generator, for example, into thermal energy for heating the coating material and / or into rotational energy for the milling head, and / or adjusts the current and / or voltage generated by the generator for an electric motor, for example using an electrical conversion at.
  • the drive is provided for heating, in particular of coating material, and / or for cooling, reshaping, reshaping, machining and / or non-machining.
  • the transmission of electrical energy to the processing unit can be dispensed with, since the processing unit itself generates the electrical energy by means of the generator from the mechanical energy transmitted to the processing unit.
  • the machining unit can be integrated particularly easily into existing machining centers and independently control the machining and process monitoring processes to be carried out.
  • the torque interface for transmitting the torque from the outside to the machining unit is preferably designed to be detachable in order to meet the need for flexible attachment of the machining unit to a machining center.
  • Common interface systems such as detachable shaft-hub- Connections, couplings and corresponding gear elements are used. HSK recordings can also be used.
  • Machining center with one machining unit is low.
  • the torque interface is set up to receive, for example, the torque from a drive spindle (machining spindle), preferably a main or milling spindle of a connected machining center.
  • machining spindle preferably a main or milling spindle of a connected machining center.
  • a torque split is preferably provided which transfers part of the torque of the drive spindle of the machining center into the torque interface for driving the generator and leaves the remaining torque for the machining task.
  • the drive is preferably designed as an actuator.
  • the actuator can thus be active in the exchangeable machining unit and, for example, enable machining, orientation and / or scanning of a workpiece. It can thus be ensured that various functions that can be configured in a modular manner can be made possible with such an exchangeable processing unit - without having to adapt interfaces on the machining center itself and / or on the exchangeable processing unit.
  • the drive is set up to adjust a movement, in particular of a processing means, of the processing unit in at least one plane and / or at least one axis and / or along at least one axis.
  • the drive enables a fully automatic, independent and safe adjustment of
  • Machining parameters, machining means, various angles of connected devices, for example a probe element and the like, can be achieved.
  • processing means can be understood here, for example, as a probe element or tool which can be manipulated by the drive and, for example, can be realigned.
  • different tasks can be performed, for example with different orientation angles or in different planes without the need for external intervention.
  • a probe element, a tool, a processing angle, the alignment of certain sensors, the drive of the tool, a vacuum generation and / or a blowing device for generating compressed air can be used, adjusted and / or adapted accordingly as different embodiments for at least one drive on the exchangeable processing unit .
  • the exchangeable processing unit furthermore has a control device which is designed to control and / or regulate the drive.
  • the exchangeable processing unit has a heatable container for the coating material.
  • heated coating material By means of the container, heated coating material can be made available and stored.
  • the drive for heating the is particularly preferred.
  • Coating material integrated into the container This results in a technically particularly simple structure with a few system interfaces.
  • the drive for heating the coating material is set up to heat the coating material on workpieces that have already been coated with coating material.
  • the drive preferably has an energy source, for example for heating coating material, for introducing lettering and / or for surface treatment.
  • energy can be transferred to the coating material by means of a laser, a radiation source, an ultrasound source, a microwave source or a plasma source.
  • the "radiation source” can preferably be understood here as an infrared radiation source or an ultraviolet radiation source, the wavelengths of the radiation emitted by such a radiation source typically being in the range from 780 nm to 1 mm or 380 nm to 100 nm. It is also possible to use a hot air source or a gas source.
  • Essential The characteristic of these energy transfer techniques by means of the drive for heating the coating material is that the energy can be transferred from the energy source to the coating material over a distance.
  • the interchangeable processing unit has a data transmission interface, preferably a wireless data transmission interface, for transmitting status data of the interchangeable processing unit to a machine control.
  • the exchangeable processing unit it is advantageous to acquire certain status data of the exchangeable processing unit, for example in a machine control.
  • the temperature of the coating material or the amount of the coating material temporarily stored in the exchangeable processing unit is relevant for process control.
  • the data transmission interface is preferably also supplied with energy by the generator and the data is transmitted wirelessly to a controller, for example the controller of the machining center.
  • a plug-in connection for transmitting the data can then also be omitted for data transmission on the exchangeable processing unit.
  • the interface of the replaceable processing unit can remain limited to the mechanical interface, which affects the structure of the replaceable processing unit with regard to its
  • Standard data transmission interface such as radio Ethernet, Bluetooth, NFC or wireless LAN (Wireless Local Area Network) provided. So the Data transmission interface designed to send and receive data wirelessly.
  • Data transmission interface also designed to transmit data to a decentralized machine control for a cloud-based control of the processing unit.
  • the decentralized, cloud-based control of the processing unit enables, for example, a specialist at the manufacturer himself to access relevant data in order to record operating parameters and optimization potential and to adjust them if necessary.
  • an additional drive is connected to the generator.
  • the additional drive can be driven by means of the generator. It is preferred here that the additional drive can be driven with a different torque than the drive from the generator.
  • the exchangeable processing unit also has at least one sensor device for safeguarding and / or checking at least one operating state of the exchangeable processing unit.
  • a sensor for detecting and monitoring a vacuum of a vacuum pump attached as a drive, for monitoring an amount of compressed air can be placed under the sensor a connected compressed air pump, for checking the reaching of an end position, for example a workpiece, for checking a coupling state of a tool attached to or replaced on the drive, for performing a distance measurement, for example to a reference object, for example in the form of a tool or workpiece and / or a sensor for Verification of the correct implementation or adjustment of the keying on a workpiece can be understood.
  • a check and monitoring of a temperature, for example a heated coating material can also be achieved with such a sensor device.
  • a machining center with an exchangeable machining unit according to one of the preceding aspects is also disclosed.
  • Fig. 1 is a perspective view of one on one
  • FIG. 2 shows a schematic representation of the structure of an exchangeable processing unit according to the invention according to a second embodiment.
  • FIG. 1 shows a perspective illustration of an interchangeable machining unit 1 (machining unit) according to the invention attached to a machining center 2 according to a first embodiment.
  • the machining unit 1 is shown in the picture below and is attached to the machining center 2 shown in detail above.
  • the processing unit 1 according to this exemplary embodiment has the task of applying edges 4, which are coated with coating material 6, to the workpiece 5.
  • the machining unit 1 is driven by a drive spindle 3 of the machining center 2.
  • the processing unit 1 also has a drive 12 in this case for heating the coating material 6.
  • the drive 12 for heating the coating material 6 is connected to a generator 10, the generator 10 being drivable via a torque interface 14 by means of the work spindle 3 of the machining center 2.
  • the coating material 6 is heated by means of a drive 12 for heating the coating material 6 and its adhesive effect is thereby activated.
  • the edge 4 with the coating material 6 is then pressed onto the workpiece 5.
  • the connection of edge 4 with coating material 6 and workpiece 5 hardens.
  • the machining center 2 is a 5-axis machining center. According to the invention, the machining unit 1 can be operated on machining centers 2 with other kinematics.
  • Fig. 2 shows a schematic representation of the structure of an exchangeable processing unit 1 according to the invention according to a second embodiment.
  • the machining center 2 is shown at the top of the picture and an exchangeable machining unit 1 is shown at the bottom.
  • a drive spindle 3 is provided on the machining center 2, which can be connected or, as shown in FIG. 2, is connected to a torque interface 14 of the machining unit 1.
  • the torque interface 14 of the processing unit 1 is connected to a generator 10 for generating electrical energy of the processing unit 1.
  • An electrical line 8 shown as a dotted line connects the generator 10 to a drive 12, for example for heating coating material 6, in order to supply electrical energy to the drive 12 for heating coating material 6.
  • the coating material 6, which in this embodiment is arranged in a container 7 on the drive 12 for heating the coating material 6, can be heated.
  • Status data for example the temperature of the coating material 6, are transmitted to the machining center 2 by means of a data transmission interface (not shown).
  • the processing unit 1 has a
  • Control device 11 on.
  • the control device 11 is designed to control or regulate the drive 12. Some or all of the energy provided by the generator 10 can be used, which enables particularly precise heating in the exemplary embodiment shown here.
  • the drive 12 can be provided as a milling device.
  • the control device 11 described above can be used, for example, to achieve a milling speed that is matched to a workpiece to be machined. It is also possible to use an interposed electric motor to achieve the desired rotational speed.
  • the control device 11 is provided, for example, as a feedback loop control which, by means of a sensor, compares target states with actual states of a control variable.
  • the control device can, for example, use sensors to monitor various process parameters of such a processing device and react accordingly to changes and optimize or adapt processes independently and automatically.
  • compressed air sensors can be provided for guiding away, for example, removed chips or also for coupling tools or for reaching an end position for the tool.
  • a fully automatic and individually connectable design of an interchangeable processing unit is realized, which is driven by the generator and additionally carries the sensor system, which can also be driven by the generator.
  • the exchangeable processing unit can process a workpiece including fully automatic alignment and sensor monitoring without having to adapt certain connections when changing tools or during operation.
  • the interchangeable machining unit 1 makes it possible to equip a machining center 2 with the machining unit without an electrical energy supply having to be implemented between the machining center 2 and the machining unit 1.
  • the energy required, for example, for heating the coating material 6 can be generated for this by means of a generator 10 of the processing unit 1 from the mechanical energy transferred from the processing center 2 to the processing unit 1.
  • the processing unit 1 can be used particularly flexibly on the processing center 2.
  • the machining unit 1 can also be used universally on machining centers 2 on which corresponding electrical interfaces for transmitting energy to the unit 1 are not provided.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Dicing (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

L'invention concerne un organe d'usinage (1) interchangeable pour un centre d'usinage (2) pour usiner des pièces (5), lesquelles se composent de préférence, au moins par sections, de bois, de matériaux ligneux, de matière plastique ou similaires, l'organe d'usinage (1) interchangeable présentant un générateur (10) destiné à produire de l'énergie, sélectionnée dans le groupe comprenant l'énergie électrique, hydraulique, pneumatique, thermique ainsi que l'énergie rayonnante et l'énergie vibratoire, à partir en particulier de l'énergie de rotation mécanique d'une broche d'entraînement, en particulier d'une broche de fraisage, ainsi qu'un entraînement (12) qui peut être alimenté en énergie au moyen du générateur (10). Le générateur (10) présente une interface de couple (14) en particulier détachable, destinée à transmettre un couple, de l'extérieur vers l'organe d'usinage (1). Le générateur est conçu de sorte à être entraîné au moyen du couple, l'entraînement (12) étant entraîné au moyen de l'énergie du générateur (10). L'invention concerne en outre un centre d'usinage équipé d'un tel organe d'usinage interchangeable.
PCT/EP2020/072863 2019-08-14 2020-08-14 Organe d'usinage interchangeable WO2021028569A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20760400.0A EP4013583A1 (fr) 2019-08-14 2020-08-14 Organe d'usinage interchangeable
US17/635,357 US20220288806A1 (en) 2019-08-14 2020-08-14 Exchangeable machining unit
CN202080066306.0A CN114430709A (zh) 2019-08-14 2020-08-14 可更换的加工设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019121878.0A DE102019121878A1 (de) 2019-08-14 2019-08-14 Einwechselbares Bearbeitungsaggregat
DE102019121878.0 2019-08-14

Publications (1)

Publication Number Publication Date
WO2021028569A1 true WO2021028569A1 (fr) 2021-02-18

Family

ID=72178499

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/072863 WO2021028569A1 (fr) 2019-08-14 2020-08-14 Organe d'usinage interchangeable

Country Status (5)

Country Link
US (1) US20220288806A1 (fr)
EP (1) EP4013583A1 (fr)
CN (1) CN114430709A (fr)
DE (1) DE102019121878A1 (fr)
WO (1) WO2021028569A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728561A1 (fr) 1995-02-24 1996-08-28 Homag Maschinenbau Ag Dispositif pour effectuer une séquence d'opérations sur des pièces à usiner en forme de plaques
WO2002014033A1 (fr) * 2000-08-18 2002-02-21 O'connell, Gregory, John Appareil de modification de chants
DE10039413A1 (de) 2000-08-11 2002-03-28 Homag Maschinenbau Ag Bearbeitungsaggregat für ein Bearbeitungszentrum
DE10229775C1 (de) 2002-07-03 2003-07-10 Grotefeld Maschb & Vertriebs G Kapp- und Kantenrundungs-Aggregat
WO2004106063A1 (fr) * 2003-05-30 2004-12-09 O'connell, Gregory, John Dispositif de modification d'un rebord de panneau ou unite pour un dispositif de cerclage de contour
DE102005018885B3 (de) 2005-04-22 2007-01-04 Homag Holzbearbeitungssysteme Ag Bearbeitungszentrum
EP2397287A1 (fr) 2010-06-17 2011-12-21 Homag Holzbearbeitungssysteme AG Agrégat de revêtement interchangeable

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US6752750B2 (en) * 2001-10-15 2004-06-22 Toshiba Kikai Kabushiki Kaisha Tool, tool holder, and machine tool
DE102004050270B4 (de) * 2004-10-14 2008-07-03 Grotefeld Gmbh Bearbeitungsaggregat
DE202009016509U1 (de) * 2009-12-04 2011-04-14 Homag Holzbearbeitungssysteme Ag 5-Achsbearbeitungszentrum mit Anleimaggregat
DE102014209009A1 (de) * 2014-01-27 2015-07-30 Robert Bosch Gmbh Werkzeugmaschinenvorrichtung
CN204138129U (zh) * 2014-06-13 2015-02-04 诸暨市实发纺织品有限公司 具有云控制功能的吊装设备
CN107438800A (zh) * 2015-02-12 2017-12-05 格罗弗治公司 在激光加工过程中移动材料
DE102015214455A1 (de) * 2015-07-30 2017-02-02 Schaeffler Technologies AG & Co. KG Drehmomentübertragungseinrichtung und Verfahren zum Betreiben einer Drehmomentübertragungseinrichtung
CN105700377A (zh) * 2016-04-25 2016-06-22 电子科技大学中山学院 一种基于云技术的智能家电控制装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728561A1 (fr) 1995-02-24 1996-08-28 Homag Maschinenbau Ag Dispositif pour effectuer une séquence d'opérations sur des pièces à usiner en forme de plaques
DE10039413A1 (de) 2000-08-11 2002-03-28 Homag Maschinenbau Ag Bearbeitungsaggregat für ein Bearbeitungszentrum
WO2002014033A1 (fr) * 2000-08-18 2002-02-21 O'connell, Gregory, John Appareil de modification de chants
DE10229775C1 (de) 2002-07-03 2003-07-10 Grotefeld Maschb & Vertriebs G Kapp- und Kantenrundungs-Aggregat
WO2004106063A1 (fr) * 2003-05-30 2004-12-09 O'connell, Gregory, John Dispositif de modification d'un rebord de panneau ou unite pour un dispositif de cerclage de contour
DE102005018885B3 (de) 2005-04-22 2007-01-04 Homag Holzbearbeitungssysteme Ag Bearbeitungszentrum
EP2397287A1 (fr) 2010-06-17 2011-12-21 Homag Holzbearbeitungssysteme AG Agrégat de revêtement interchangeable

Also Published As

Publication number Publication date
EP4013583A1 (fr) 2022-06-22
DE102019121878A1 (de) 2021-02-18
CN114430709A (zh) 2022-05-03
US20220288806A1 (en) 2022-09-15

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